| /* define DCT types */ |
| |
| /* |
| * DCTSIZE underlying (1d) transform size |
| * DCTSIZE2 DCTSIZE squared |
| */ |
| |
| #define DCTSIZE (8) |
| #define DCTSIZE2 (DCTSIZE*DCTSIZE) |
| |
| #define EIGHT_BIT_SAMPLES /* needed in jrevdct.c */ |
| |
| typedef short DCTELEM; /* must be at least 16 bits */ |
| |
| typedef DCTELEM DCTBLOCK[DCTSIZE2]; |
| |
| typedef long INT32; /* must be at least 32 bits */ |
| |
| extern void gst_idct_int_idct(); |
| |
| extern void gst_idct_init_fast_int_idct (void); |
| extern void gst_idct_fast_int_idct (short *block); |
| |
| #ifdef HAVE_LIBMMX |
| extern void gst_idct_mmx_idct (short *block); |
| extern void gst_idct_mmx32_idct (short *block); |
| extern void gst_idct_sse_idct (short *block); |
| #endif /* HAVE_LIBMMX */ |
| |
| extern void gst_idct_init_float_idct(void); |
| extern void gst_idct_float_idct (short *block); |
| |
